Home / 27,815.10-41,734.65-16,138.30

Finding the Fourth Proportional to 27,815.10, 41,734.65 and 16,138.30

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Solution

The fourth proportional to 27,815.10, 41,734.65 and 16,138.30 is: 24,214.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.10 : 41,734.65 = 16,138.30 : x
  2. Step 2: Convert to fraction form
    27,815.10/41,734.65 = 16,138.30/x
  3. Step 3: Cross multiply
    27,815.10x = 41,734.65 × 16,138.30
  4. Step 4: Simplify right side
    27,815.10x = 673,526,302.10
  5. Step 5: Solve for x
    x = 673,526,302.10/27,815.10
  6. Step 6: Final answer
    x = 24,214.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.